plumbāgo, ĭnis, f. [plumbum].
I A species of lead ore , black-lead , plumbago , also called molybdaena, Plin. 34, 18, 50, § 168.—
B Transf., a leaden color in gems, Plin. 37, 5, 18, § 68.—
II A plant , also called molybdaena, leadwort , fleawort , Plin. 25, 13, 97, § 155.